IMPROVEMENTS RELATING TO THE PREVENTION OF CONTAMINATION OF FLUID OR WATER SUPPLIES BY BACKSIPHONAGE OR BACKFLOW,申请号GB19900007913-传众专利搜索

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发明名称	IMPROVEMENTS RELATING TO THE PREVENTION OF CONTAMINATION OF FLUID OR WATER SUPPLIES BY BACKSIPHONAGE OR BACKFLOW
摘要
申请公布号	GB9007913(D0)	申请公布日期	1990.06.06
申请号	GB19900007913	申请日期	1990.04.06
申请人	BAILEY, ROGER J;GARDNER, STEVEN	发明人
分类号	F16K5/06;F16K15/18	主分类号	F16K5/06
代理机构		代理人
主权项
地址

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